Write a note on the following: (a) Function of skin (b) Kidneys (c) Heart (d) Veins and arteries.
Answers
veins take blood close to the heart and arteries take blood away from the heart. heart purifies the blood .It purifies de-oxygenated blood into oxygenated blood. skin function as protecting our body parts,muscles,bones etc. kidney excrete waste materials from our body.
Answer:
Function of skin:
Skin acts as a protective barrier to the human body. It protects us from microbes and other harmful
elements. It regulates our body temperature and gives mechanical support to our body.
Kidney:
The human body contains a pair of kidneys located on both sides of spine. Kidneys filter the blood in human body. kidneys are made up of several filtering units called neurons. kidneys filter the wastes in our body and excreted through urine.
Heart: It is an organ present in all living things. In humans, it is located between the lungs and chest. It collects the blood from all parts of our body and transfer to the lungs.
Viens and arteries:
These two are tube-like structures or vessels carry blood to the organs in the body. Arteries carry blood away from the heart, veins carry blood towards the heart.